arch/arm/mach-at91/board-qil-a9260.c

   1 /*
   2  * linux/arch/arm/mach-at91/board-qil-a9260.c
   3  *
   4  *  Copyright (C) 2005 SAN People
   5  *  Copyright (C) 2006 Atmel
   6  *  Copyright (C) 2007 Calao-systems
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #include <linux/types.h>
  24 #include <linux/gpio.h>
  25 #include <linux/init.h>
  26 #include <linux/mm.h>
  27 #include <linux/module.h>
  28 #include <linux/platform_device.h>
  29 #include <linux/spi/spi.h>
  30 #include <linux/gpio_keys.h>
  31 #include <linux/input.h>
  32 #include <linux/clk.h>
  33
  34 #include <asm/setup.h>
  35 #include <asm/mach-types.h>
  36 #include <asm/irq.h>
  37
  38 #include <asm/mach/arch.h>
  39 #include <asm/mach/map.h>
  40 #include <asm/mach/irq.h>
  41
  42 #include <mach/hardware.h>
  43 #include <mach/board.h>
  44 #include <mach/at91sam9_smc.h>
  45 #include <mach/at91_shdwc.h>
  46
  47 #include "sam9_smc.h"
  48 #include "generic.h"
  49
  50
  51 static void __init ek_init_early(void)
  52 {
  53         /* Initialize processor: 12.000 MHz crystal */
  54         at91_initialize(12000000);
  55
  56         /* DBGU on ttyS0. (Rx & Tx only) */
  57         at91_register_uart(0, 0, 0);
  58
  59         /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
  60         at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
  61                            | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
  62                            | ATMEL_UART_RI);
  63
  64         /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
  65         at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
  66
  67         /* USART2 on ttyS3. (Rx, Tx, CTS, RTS) */
  68         at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS | ATMEL_UART_RTS);
  69
  70         /* set serial console to ttyS1 (ie, USART0) */
  71         at91_set_serial_console(1);
  72
  73 }
  74
  75 /*
  76  * USB Host port
  77  */
  78 static struct at91_usbh_data __initdata ek_usbh_data = {
  79         .ports          = 2,
  80         .vbus_pin       = {-EINVAL, -EINVAL},
  81         .overcurrent_pin= {-EINVAL, -EINVAL},
  82 };
  83
  84 /*
  85  * USB Device port
  86  */
  87 static struct at91_udc_data __initdata ek_udc_data = {
  88         .vbus_pin       = AT91_PIN_PC5,
  89         .pullup_pin     = -EINVAL,              /* pull-up driven by UDC */
  90 };
  91
  92 /*
  93  * SPI devices.
  94  */
  95 static struct spi_board_info ek_spi_devices[] = {
  96 #if defined(CONFIG_RTC_DRV_M41T94)
  97         {       /* M41T94 RTC */
  98                 .modalias       = "m41t94",
  99                 .chip_select    = 0,
 100                 .max_speed_hz   = 1 * 1000 * 1000,
 101                 .bus_num        = 0,
 102         }
 103 #endif
 104 };
 105
 106 /*
 107  * MACB Ethernet device
 108  */
 109 static struct macb_platform_data __initdata ek_macb_data = {
 110         .phy_irq_pin    = AT91_PIN_PA31,
 111         .is_rmii        = 1,
 112 };
 113
 114 /*
 115  * NAND flash
 116  */
 117 static struct mtd_partition __initdata ek_nand_partition[] = {
 118         {
 119                 .name   = "Uboot & Kernel",
 120                 .offset = 0,
 121                 .size   = SZ_16M,
 122         },
 123         {
 124                 .name   = "Root FS",
 125                 .offset = MTDPART_OFS_NXTBLK,
 126                 .size   = 120 * SZ_1M,
 127         },
 128         {
 129                 .name   = "FS",
 130                 .offset = MTDPART_OFS_NXTBLK,
 131                 .size   = 120 * SZ_1M,
 132         },
 133 };
 134
 135 static struct atmel_nand_data __initdata ek_nand_data = {
 136         .ale            = 21,
 137         .cle            = 22,
 138         .det_pin        = -EINVAL,
 139         .rdy_pin        = AT91_PIN_PC13,
 140         .enable_pin     = AT91_PIN_PC14,
 141         .parts          = ek_nand_partition,
 142         .num_parts      = ARRAY_SIZE(ek_nand_partition),
 143 };
 144
 145 static struct sam9_smc_config __initdata ek_nand_smc_config = {
 146         .ncs_read_setup         = 0,
 147         .nrd_setup              = 1,
 148         .ncs_write_setup        = 0,
 149         .nwe_setup              = 1,
 150
 151         .ncs_read_pulse         = 3,
 152         .nrd_pulse              = 3,
 153         .ncs_write_pulse        = 3,
 154         .nwe_pulse              = 3,
 155
 156         .read_cycle             = 5,
 157         .write_cycle            = 5,
 158
 159         .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
 160         .tdf_cycles             = 2,
 161 };
 162
 163 static void __init ek_add_device_nand(void)
 164 {
 165         /* configure chip-select 3 (NAND) */
 166         sam9_smc_configure(0, 3, &ek_nand_smc_config);
 167
 168         at91_add_device_nand(&ek_nand_data);
 169 }
 170
 171 /*
 172  * MCI (SD/MMC)
 173  */
 174 static struct at91_mmc_data __initdata ek_mmc_data = {
 175         .slot_b         = 0,
 176         .wire4          = 1,
 177         .det_pin        = -EINVAL,
 178         .wp_pin         = -EINVAL,
 179         .vcc_pin        = -EINVAL,
 180 };
 181
 182 /*
 183  * GPIO Buttons
 184  */
 185 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 186 static struct gpio_keys_button ek_buttons[] = {
 187         {       /* USER PUSH BUTTON */
 188                 .code           = KEY_ENTER,
 189                 .gpio           = AT91_PIN_PB10,
 190                 .active_low     = 1,
 191                 .desc           = "user_pb",
 192                 .wakeup         = 1,
 193         }
 194 };
 195
 196 static struct gpio_keys_platform_data ek_button_data = {
 197         .buttons        = ek_buttons,
 198         .nbuttons       = ARRAY_SIZE(ek_buttons),
 199 };
 200
 201 static struct platform_device ek_button_device = {
 202         .name           = "gpio-keys",
 203         .id             = -1,
 204         .num_resources  = 0,
 205         .dev            = {
 206                 .platform_data  = &ek_button_data,
 207         }
 208 };
 209
 210 static void __init ek_add_device_buttons(void)
 211 {
 212         at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */
 213         at91_set_deglitch(AT91_PIN_PB10, 1);
 214
 215         platform_device_register(&ek_button_device);
 216 }
 217 #else
 218 static void __init ek_add_device_buttons(void) {}
 219 #endif
 220
 221 /*
 222  * LEDs
 223  */
 224 static struct gpio_led ek_leds[] = {
 225         {       /* user_led (green) */
 226                 .name                   = "user_led",
 227                 .gpio                   = AT91_PIN_PB21,
 228                 .active_low             = 0,
 229                 .default_trigger        = "heartbeat",
 230         }
 231 };
 232
 233 static void __init ek_board_init(void)
 234 {
 235         /* Serial */
 236         at91_add_device_serial();
 237         /* USB Host */
 238         at91_add_device_usbh(&ek_usbh_data);
 239         /* USB Device */
 240         at91_add_device_udc(&ek_udc_data);
 241         /* SPI */
 242         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 243         /* NAND */
 244         ek_add_device_nand();
 245         /* I2C */
 246         at91_add_device_i2c(NULL, 0);
 247         /* Ethernet */
 248         at91_add_device_eth(&ek_macb_data);
 249         /* MMC */
 250         at91_add_device_mmc(0, &ek_mmc_data);
 251         /* Push Buttons */
 252         ek_add_device_buttons();
 253         /* LEDs */
 254         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
 255         /* shutdown controller, wakeup button (5 msec low) */
 256         at91_shdwc_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
 257                                 | AT91_SHDW_RTTWKEN);
 258 }
 259
 260 MACHINE_START(QIL_A9260, "CALAO QIL_A9260")
 261         /* Maintainer: calao-systems */
 262         .timer          = &at91sam926x_timer,
 263         .map_io         = at91_map_io,
 264         .init_early     = ek_init_early,
 265         .init_irq       = at91_init_irq_default,
 266         .init_machine   = ek_board_init,
 267 MACHINE_END